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Duku Langsat is a seasonal Southeast Asian tropical fruit with pale yellow-brown skin and juicy translucent flesh inside. It is also commonly searched as duku, Longkong, langsat fruit, duku fruit, buah langsat, buah duku, Baluku and baluku fruit.
When peeled, the fruit separates into soft, juicy segments that look a little like small mangosteen or peeled longan segments. The taste is sweet, lightly tangy and refreshing, with a tropical grape-like citrus finish. Some segments may contain seeds, and the seeds should not be bitten because they can taste very bitter.
Origin: Malaysia.
| Product | Duku Langsat |
| Also Known As | Duku, Longkong, langsat, langsat fruit, duku fruit, buah langsat, buah duku, Baluku, baluku fruit, dokong, lanzones, lansones |
| Chinese Search Names | 兰撒 / 蘭撒, 兰撒果 / 蘭撒果, 龙贡 / 龍貢, 龙宫果 / 龍宮果, 芦菇 / 蘆菇, 冷刹 / 冷剎, 杜古 |
| Botanical Guide | Commonly associated with Lansium domesticum / Lansium parasiticum fruit group |
| Origin | Malaysia |
| Possible Batch Types | May include duku, langsat, longkong, dokong or duku langsat depending on supply and supplier labelling |
| Skin | Thin to moderately thick yellow-brown skin, depending on variety and batch |
| Flesh | Translucent white juicy segments |
| Taste | Sweet, lightly tangy, juicy and refreshing, with grape-like tropical citrus notes |
| Texture | Soft, juicy and tender, similar to a small segmented tropical fruit |
| Seeds | Some segments may contain bitter seeds; remove or avoid biting them |
| Best For | Fresh snacking, tropical fruit tasting, fruit platters, sharing and Southeast Asian fruit lovers |
| Storage | Keep in a cool, well-ventilated place and consume soon. Refrigerate only if needed to slow spoilage, and keep dry. |
Duku Langsat has a refreshing tropical taste that is often described as sweet, tangy and juicy. The flesh can remind customers of grapes, longan, mangosteen and light grapefruit notes, depending on the batch and ripeness.
The best fruits are plump, fresh and easy to peel, with moist translucent segments inside. The flesh is soft and juicy, while the seed inside some segments can be very bitter if bitten. For the best experience, eat the flesh gently and discard any seeds.
Duku Langsat is part of the Lansium fruit group, a family of tropical fruits commonly found across Southeast Asia. Depending on the country and supplier, similar fruits may be called duku, langsat, longkong, dokong, lanzones or lansones.
The fruit is usually round to oval, with pale yellow-brown skin. Once peeled, it reveals juicy translucent segments. The flesh is the edible part, while the skin and seeds are usually discarded.
Customers searching for duku fruit, langsat fruit, buah langsat, buah duku langsat, duku langsat fruit or Langsat Singapore are usually looking for this sweet-tangy tropical fruit.
This fruit has many names because it is grown and sold across different Southeast Asian countries. For Singapore shoppers, the most useful names include Duku Langsat, Langsat, Longkong, Dokong, Lanzones and Baluku.
| Name | Customer-Friendly Meaning |
| Duku | Common Malay/Indonesian name for a rounder, often thicker-skinned type |
| Langsat | Common name for a smaller, more oval type with juicy sweet-tangy flesh |
| Longkong | Thai market name, often associated with sweeter fruit and fewer seeds depending on batch |
| Dokong | Common spelling used in Malaysia and Singapore for longkong / duku-langsat style fruit |
| Duku Langsat | Broad market term used for duku-langsat type fruit |
| Lanzones / Lansones | Common English and Philippine market names |
| Buah Langsat | Malay term meaning langsat fruit |
| Buah Duku | Malay / Indonesian term meaning duku fruit |
| Baluku / Baluku Fruit | Local Singapore search term linked to buah duku |
Langsat in Chinese may be written in a few different ways depending on region and translation. Common search names include 兰撒 / 蘭撒, 兰撒果 / 蘭撒果, 龙贡 / 龍貢, 龙宫果 / 龍宮果, 芦菇 / 蘆菇, 冷刹 / 冷剎 and 杜古.
For SKC Fruits, it is best to include these Chinese names as search support, while keeping the customer-facing product name simple as Duku Langsat.
| Chinese Search Term | Meaning / Usage Guide |
| 兰撒 / 蘭撒 | Chinese transliteration for langsat |
| 兰撒果 / 蘭撒果 | Langsat fruit in Chinese search form |
| 龙贡 / 龍貢 | Chinese name sometimes used for longkong |
| 龙宫果 / 龍宮果 | Another Chinese market name used for longkong / langsat-type fruit |
| 芦菇 / 蘆菇 | Regional Chinese name sometimes used for duku/langsat fruit |
| 冷刹 / 冷剎 | Chinese transliteration sometimes used for langsat |
| 杜古 | Chinese transliteration for duku |
The difference between duku and langsat can be confusing because the names are often used loosely in the market. In general, duku is usually rounder, larger and thicker-skinned, while langsat is usually more oval, thinner-skinned and may have more sticky sap when peeled.
Longkong or dokong is often sold as a sweeter, easier-to-eat type, and may have fewer seeds depending on the batch. However, real fruit appearance and taste can vary by farm, origin, harvest timing and supplier labelling.
| Comparison | Duku | Langsat | Longkong / Dokong |
| Shape | Usually rounder | Usually more oval | Round to oval, depending on batch |
| Skin | Usually thicker and less sticky | Usually thinner and may have more milky sap | Often easier to peel, depending on batch |
| Flesh | Juicy translucent segments | Juicy translucent segments | Juicy translucent segments |
| Taste | Often sweet and aromatic | Sweet-tangy and refreshing | Often sweet, aromatic and lower-seed depending on batch |
| Seeds | May contain bitter seeds | May contain bitter seeds | May have fewer seeds, but not guaranteed |
| Market Note | Often searched as buah duku or duku fruit | Often searched as buah langsat or langsat fruit | Often searched as Longkong, Dokong or duku langsat dokong |
Langsat taste is usually sweet, tangy and juicy, with a refreshing tropical finish. Some customers compare it to grapes, longan, mangosteen, pomelo or grapefruit, but the actual taste depends heavily on variety and ripeness.
A good batch should taste fresh and lively, not flat or overly sour. If the fruit is not fully mature, it may taste sharper. If the fruit is overripe, the skin may darken and the flesh may become watery or fermented.
To eat Duku Langsat, gently press or crack the skin with your fingers, peel it open, and eat the translucent flesh segments inside. Avoid biting the seeds because they can taste bitter.
Wash the fruit before peeling, especially if it arrives in clusters. If there is any sticky sap on the skin, rinse and dry before serving. Serve slightly chilled if preferred.
Duku Langsat is best enjoyed fresh as a tropical snack. It can also be served on fruit platters with rambutan, mangosteen, longan, lychee, dragon fruit, mango and pineapple.
The juicy flesh can be added to fruit salads, chilled desserts, drinks or smoothie bowls, but it is most commonly eaten fresh because the flavour is delicate and the fruit is seasonal.
Some customers may search ciku langsat when looking for Southeast Asian tropical fruits, but ciku and langsat are different fruits. Ciku is sapodilla, while Duku Langsat belongs to the Lansium fruit group.
This product page is for Duku Langsat, Longkong, Baluku and langsat-type fruit, not ciku fruit.
Benefits of langsat should be understood in a simple food-focused way. Duku Langsat can be enjoyed as part of a balanced diet and naturally contains water, carbohydrates and small amounts of vitamins and minerals found in fresh tropical fruit.
The fruit is valued mainly for its refreshing taste, juicy flesh and seasonal tropical eating experience. It is not a medical treatment, and nutrition values vary by variety, origin, ripeness and serving size.
Nutrition values for duku, langsat and longkong can vary by variety, origin, ripeness and data source. As a general guide, langsat-type fruit is a juicy tropical fruit that naturally contains water, carbohydrates and small amounts of nutrients such as vitamin C and B vitamins.
| Reference Serving | 100g edible flesh, general guide |
| Calories | Often around 57 to 66 kcal per 100g depending on data source and variety |
| Carbohydrates | Naturally contains carbohydrates and fruit sugars |
| Water | High water content, giving a juicy eating texture |
| Vitamin C | Contains naturally occurring vitamin C |
| B Vitamins | May contain small amounts of B vitamins such as thiamine, riboflavin or niacin depending on data source |
| Seeds | Seeds are not the main edible portion and may taste bitter |
Customers tracking calories or carbohydrates closely should weigh the edible portion because fruit size, seed size and flesh ratio vary by batch.
Duku Langsat is best kept in a cool, well-ventilated place and consumed within a few days. Avoid leaving it in direct sunlight or in a sealed warm plastic bag, as moisture and heat can speed up spoilage.
For longer holding, you may refrigerate the fruit dry in a breathable container, but the skin may darken and the texture may change. Wash only before eating, and remove any cracked, leaking or mouldy fruit early.
SKC Fruits offers imported seasonal tropical fruits for customers in Singapore who want convenient online ordering and delivery. Duku Langsat is suitable for shoppers looking for duku, Longkong, langsat fruit, duku fruit, buah langsat, Baluku fruit or Langsat Singapore.
Duku Langsat is a seasonal Southeast Asian tropical fruit with yellow-brown skin and juicy translucent flesh segments. It is also searched as duku, Longkong, langsat fruit, duku fruit, buah langsat, Baluku and baluku fruit.
Langsat in English is commonly known as langsat, lanzones or lansones. Similar related market names include duku, Longkong, dokong and duku langsat.
Langsat in Chinese may be written as 兰撒 / 蘭撒 or 兰撒果 / 蘭撒果. Related market names may include 龙贡 / 龍貢, 龙宫果 / 龍宮果, 芦菇 / 蘆菇, 冷刹 / 冷剎 and 杜古.
Duku Langsat in Chinese may be searched using names such as 杜古, 兰撒果 / 蘭撒果, 龙贡 / 龍貢 or 龙宫果 / 龍宮果. Chinese names vary by region and market usage.
Duku is usually rounder, larger and thicker-skinned, while langsat is usually more oval, thinner-skinned and may have more sticky sap. However, market names can overlap, so the exact batch should be confirmed when needed.
Longkong is a related duku-langsat type often associated with sweeter fruit and fewer seeds depending on batch. It may also be called Dokong in some markets.
Baluku is a local search term linked to buah duku, meaning duku fruit. In this product page, Baluku fruit refers to duku / langsat-type tropical fruit.
Langsat taste is usually sweet, tangy and juicy, with a refreshing tropical flavour that may remind customers of grapes, longan, mangosteen, pomelo or light grapefruit notes.
Wash the fruit, gently crack or pinch the skin, peel it open and eat the translucent flesh segments inside. Avoid biting the seeds because they can taste bitter.
The seeds are not recommended for eating because they can taste very bitter. Eat the juicy flesh and discard the seeds.
No. Ciku is sapodilla, a different fruit. This page is for Duku Langsat, Longkong, Baluku and langsat-type fruit.
Duku Langsat can be enjoyed as part of a balanced diet. It naturally contains water, carbohydrates and small amounts of nutrients found in fresh tropical fruit. It is not a medical treatment.
Keep Duku Langsat in a cool, well-ventilated place away from direct sunlight and consume soon. Refrigerate dry in a breathable container only if needed to slow spoilage.
Next-day delivery available across Singapore. Orders are carefully packed to maintain freshness and quality.
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Fresh produce may vary slightly in appearance and ripeness. If there are quality issues, we provide fair resolutions including refunds or replacements where appropriate.
Fresh produce is a natural product. Size, colour, sweetness and ripeness may vary depending on season and batch.
Sourced from trusted suppliers across regions depending on availability and season.
Some items may arrive firm to maintain freshness. Allow to ripen at room temperature and refrigerate once ready.
Products are carefully selected and handled to maintain quality. Minor variations are normal and do not affect taste.
Suitable for everyday consumption, fruit platters, desserts and gifting.
Availability, size and taste may vary depending on harvest conditions throughout the year.
Wash before consumption. Best consumed within a few days for optimal freshness.
Images are for illustration purposes. Actual products may vary slightly.